ADMIN GUIDE STATEMENT:
You can approve or block specific senders and recipients, based on the
email address, domain, subdomain, attachment type, email size, words
in the email or header, source country or destination country. The
Anti-Spam service detec...

The Proofpoint Essentials system has been changed in May 2015, the
most notable change is the addition of Sender Lists
[http://support.proofpointessentials.com/index.php?/Knowledgebase/Article/View/188/0/sender-lists---safe-and-block]
rather than the trad...

WHITELIST IP TO BYPASS SPAM FILTERING
If an email has been blocked by Proofpoint Essentials as a result of
content we can ensure further delivery of these emails by whitelisting
their IP address.
_To whitelist an IP so that it is not blocked as a re...

The Inbound sender DNS check option provides an additional layer of
protection against spam and helps ensure that inbound messages that
might not have a destination to bounce to are not allowed in. The
proper step to address this is to get the sender to p...

Proofpoint Essentials have implemented logic into our engines to help
deal with the recent Dridex campaigns in which emails contain macro
enabled attachments.
This could cause some legitimate outbound emails to be marked and
quarantined as spam.
In or...

If you create a filter with this option, then it will come into effect
when the engine module responsible for decomposing an email into
parts does not know what an attachment is supposed to be. This can
happen when the MIME part doesn't have a filename or...

Although Proofpoint by default quarantines emails with a Javascript
(.js) attachment you can override this by creating a filter as shown
below below:
If Recipient Address IS (you can add multiples and separate with
comma or semi-colon)
And Attachment Na...